Solid-State Photographic Systems, Light Amplifiers, and Display Systems
There is clearly a redundancy in the title of this chapter. A photographic system, for example, is also a light amplifier and a display system. On the other hand, the literature tends to classify a wide range of devices according to whether their primary functions are photographic, amplifying, or display. The common trend in all of the devices is that, with few exceptions, the input light is absorbed by a layer of photoconductive material and the resultant changes in conductivity, charge, or voltage are used in conjunction with a second mechanism to form an image. This chapter explores the fundamental limitations on the sensitivity of such photoconductive layers.
KeywordsOhmic Contact Dark Current Extra Electron Shallow Trap Optical Exposure
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